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First measurement of the helicity asymmetry E in η photoproduction on the proton
Results are presented for the first measurement of the double-polarization helicity asymmetry E for the η photoproduction reaction γp→ηp. Data were obtained using the FROzen Spin Target (FROST) with the CLAS spectrometer in Hall B at Jefferson Lab, covering a range of center-of-mass energy W from th...
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Materialtyp: | Artigo |
Språk: | Inglês |
Publicerad: |
Elsevier
2016-04-01
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Serie: | Physics Letters B |
Länkar: | http://www.sciencedirect.com/science/article/pii/S0370269316000617 |
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